Home / 2,329.34-3,214.56-1,281.44

Finding the Fourth Proportional to 2,329.34, 3,214.56 and 1,281.44

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Solution

The fourth proportional to 2,329.34, 3,214.56 and 1,281.44 is: 1,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,329.34 : 3,214.56 = 1,281.44 : x
  2. Step 2: Convert to fraction form
    2,329.34/3,214.56 = 1,281.44/x
  3. Step 3: Cross multiply
    2,329.34x = 3,214.56 × 1,281.44
  4. Step 4: Simplify right side
    2,329.34x = 4,119,265.77
  5. Step 5: Solve for x
    x = 4,119,265.77/2,329.34
  6. Step 6: Final answer
    x = 1,768.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.